Re: Testpmd returns error.

[Tetsuya Mukawa <mukawa-AlSX/UN32fvPDbFq/vQRIQ@public.gmane.org>]

On 2015/02/23 20:12, Bruce Richardson wrote:
> On Mon, Feb 23, 2015 at 11:33:45AM +0900, Tetsuya Mukawa wrote:
>> On 2015/02/23 5:46, Bruce Richardson wrote:
>>> On Sun, Feb 22, 2015 at 02:30:02PM +0900, Tetsuya Mukawa wrote:
>>>> Hi,
>>>>
>>>> In my environment, testpmd in latest master branch returns error like below.
>>>>
>>>> $ sudo ./tools/dpdk_nic_bind.py -b igb_uio 0000:02:00.0
>>>> $ sudo ./x86_64-native-linuxapp-gcc/app/testpmd -c f -n 1 -- -i
>>>> EAL: Detected lcore 0 as core 0 on socket 0
>>>> EAL: Detected lcore 1 as core 1 on socket 0
>>>> EAL: Detected lcore 2 as core 2 on socket 0
>>>> EAL: Detected lcore 3 as core 3 on socket 0
>>>> EAL: Detected lcore 4 as core 4 on socket 0
>>>> EAL: Detected lcore 5 as core 5 on socket 0
>>>> EAL: Detected lcore 6 as core 6 on socket 0
>>>> EAL: Detected lcore 7 as core 7 on socket 0
>>>> EAL: Support maximum 128 logical core(s) by configuration.
>>>> EAL: Detected 8 lcore(s)
>>>> EAL: VFIO modules not all loaded, skip VFIO support...
>>>> EAL: Setting up memory...
>>>> EAL: Ask a virtual area of 0x280000000 bytes
>>>> EAL: Virtual area found at 0x7ffd40000000 (size = 0x280000000)
>>>> EAL: Requesting 10 pages of size 1024MB from socket 0
>>>> EAL: TSC frequency is ~3991450 KHz
>>>> EAL: Master core 0 is ready (tid=f7fd6840)
>>>> PMD: ENICPMD trace: rte_enic_pmd_init
>>>> EAL: Core 3 is ready (tid=f58e0700)
>>>> EAL: Core 2 is ready (tid=f60e1700)
>>>> EAL: Core 1 is ready (tid=f68e2700)
>>>> EAL: PCI device 0000:02:00.0 on NUMA socket -1
>>>> EAL:   probe driver: 8086:10b9 rte_em_pmd
>>>> EAL:   PCI memory mapped at 0x7fffc0000000
>>>> EAL: pci_map_resource(): cannot mmap(23, 0x7fffc0020000, 0x20000,
>>>> 0x1000): Invalid argument (0xffffffffffffffff)
>>>> EAL: Error - exiting with code: 1
>>>>   Cause: Requested device 0000:02:00.0 cannot be used
>>>>
>>>>
>>>> I've run git-bisect, and it seems following commit cause this error.
>>>>
>>>> commit 4a499c64959074ba6fa6a5a2b3a2a6aa10627fa1
>>>> Author: Danny Zhou <danny.zhou-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
>>>> Date:   Fri Feb 20 16:59:15 2015 +0000
>>>>
>>>>     eal/linux: enable uio_pci_generic support
>>>>
>>>> Someone, could you please check it?
>>>>
>>>> Thanks,
>>>> Tetsuya
>>>>
>>> Hi Tetsuya,
>>>
>>> trying to reproduce the problem here, with no success so far with a mix of 1G
>>> and 10G ports. Is there anything special about your environment that might 
>>> especially trigger this issue? Is it a VM or running on the host machine etc.?
>> Hi Bruce,
>>
>> I appreciate for your testing.
>>
>> I've tried it on an another system, and I couldn't reproduce it.
>> Could you please see below?
>>
>> - The system I can reproduce the issue
>> OS: Ubuntu14.04
>> Kernel: Linux eris 3.13.0-30-generic
>> CPU: AMD FX(tm)-8350 Eight-Core Processor
>> NIC: Ethernet controller: Intel Corporation 82572EI Gigabit Ethernet
>> Controller (Copper) (rev 06)
>>
>> - The system I cannot reproduce the issue
>> OS: ubuntu14.04
>> Kernel: Linux ubuntu-igel 3.13.0-30-generic
>> Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
>> NIC: Ethernet controller: Intel Corporation I350 Gigabit Network
>> Connection (rev 01)
>>
>> I will check it more in next testing phase.
>> Until then, I will use the system I cannot reproduce the issue.
>>
>> Regards,
>> Tetsuya
>>
>>> Regards,
>>> /Bruce
>>>
> Thanks Tetsuya,
> Declan has managed to find a board here that can reproduce the issue so we 
> are now investigating possible solutions.
> /Bruce

Hi Bruce,

Thanks you so much!

Tetsuya